<template>
  <div class="role-container">
    <div class="left-wrapper">
      <div
        v-for="(item,index) in roleList"
        :key="item.roleId"
        class="role-item"
        :class="{active: activeIndex === index}"
        @click="changeRole(index)"
      >
        <div class="role-info">
          <svg-icon :icon-class="index === activeIndex ? 'user-active' : 'user'" class="icon" />
          {{ item.roleName }}
        </div>
        <div class="more">
          <el-dropdown>
            <span class="el-dropdown-link">
              <svg-icon icon-class="more" />
            </span>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item @click.native="$router.push(`/sys/role/add/${item.roleId}`)">编辑角色</el-dropdown-item>
              <el-dropdown-item @click.native="deleteRole(item.roleId)">删除</el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
        </div>
      </div>
      <el-button class="addBtn" size="mini" @click="$router.push('/sys/role/add')">添加角色</el-button>
    </div>
    <div class="right-wrapper">
      <el-tabs v-model="activeName">
        <el-tab-pane label="功能权限" name="tree">
          <div class="tree-wrapper">
            <div v-for="item in treeData" :key="item.id" class="tree-item">
              <div class="tree-title"> {{ item.title }} </div>
              <el-tree
                ref="tree"
                :data="item.children"
                node-key="id"
                default-expand-all
                show-checkbox
                :props="defaultProps"
              />
            </div>
          </div>
        </el-tab-pane>
        <el-tab-pane :label="`成员列表(${roleUserList.length})`" name="member">
          <div class="user-wrapper">
            <el-table
              :data="roleUserList"
              style="width: 100%"
            >
              <el-table-column
                type="index"
                width="250"
                label="序号"
              />
              <el-table-column
                prop="name"
                label="员工姓名"
              />
              <el-table-column
                prop="userName"
                label="登录账号"
              />
            </el-table>
          </div>
        </el-tab-pane>
      </el-tabs>
    </div>
  </div>
</template>

<script>
import { getRoleList, getRolePermission, getRolePermissionAndUser, getRoleUserList, addDisable, deleteRole } from '@/api/role'
export default {
  name: 'Role',
  data() {
    return {
      roleList: [],
      activeIndex: 0,
      treeData: [],
      defaultProps: {
        children: 'children',
        label: 'title'
      },
      roleId: 2,
      perms: [],
      activeName: 'tree',
      roleUserList: []
    }
  },
  async mounted() {
    await this.getRoleList()
    await this.getTreeData()
    this.getRolePermission(this.roleList[0].roleId)
    this.getRoleIdRoleList(this.roleList[0].roleId)
  },
  methods: {
    // 获取左边角色列表并渲染
    async getRoleList() {
      const { data } = await getRoleList()
      this.roleList = data
    },
    // 获取树形结构并渲染-功能权限
    async getTreeData() {
      const { data } = await getRolePermission()
      this.treeData = data
      addDisable(this.treeData)
    },
    // 切换角色
    changeRole(index) {
      this.activeIndex = index
      const id = this.roleList[index].roleId
      this.getRolePermission(id)
      this.getRoleIdRoleList(id)
    },
    // 获取角色权限并渲染
    async getRolePermission(id) {
      const { data: { perms }} = await getRolePermissionAndUser(id)
      this.perms = perms
      this.$refs.tree.forEach((item, index) => {
        item.setCheckedKeys(this.perms[index])
      })
    },
    // 获取角色成员并渲染——成员列表
    async getRoleIdRoleList(id) {
      const res = await getRoleUserList(id)
      this.roleUserList = res.data.rows
    },
    deleteRole(id) {
      this.$confirm('删除后该角色下的用户权限失效，是否删除？', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        await deleteRole(id)
        this.$message.success('删除成功')
        this.getRoleList()
      })
    }
  }
}
</script>

<style scoped lang="scss">
.role-container {
  display: flex;
  font-size: 14px;
  background-color: #fff;
  padding:20px;
  .left-wrapper {
    width: 220px;
    border-right: 1px solid #e4e7ec;
    padding: 4px;
    text-align: center;

    .role-item {
      position: relative;
      height: 56px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      cursor: pointer;

      &.active {
        background: #edf5ff;
        color: #4770ff;
      }
    }

    .role-info {
      display: flex;
      align-items: center;

      .icon {
        margin-right: 10px;
      }
    }

    .more {
      display: flex;
      align-items: center;
    }
    .addBtn{
      width: 100%;
      margin-top: 20px;
    }
  }

  .right-wrapper {
    flex: 1;

    .tree-wrapper {
      display: flex;
      justify-content: space-between;

      .tree-item {
        flex: 1;
        border-right: 1px solid #e4e7ec;
        padding: 0px 4px;
        text-align: center;
        .tree-title {
          background: #f5f7fa;
          text-align: center;
          padding: 10px 0;
          margin-bottom: 12px;
        }
      }
    }

    ::v-deep .el-tabs__nav-wrap {
      padding-left: 20px;
    }

    .user-wrapper{
      padding:20px;
    }
  }
}
</style>
